The Galaxy Tournament rages on as Unicorn Knight Jab takes on the ferocious Lionet Knight Ban in a brutally decisive battle. Meanwhile, in the frozen wasteland of Siberia, Hy˘ga the Swan Knight shatters the thick ice to swim
to visit his mother's lonely grave in the frigid waters. He receives a strange letter from Sanctuary commanding him to kill his fellow Knights of the Zodiac for betraying their oath--to never use their powers for personal gain. He returns and witnesses a bloody match between Pegasus Knight Seiya and Dragon Knight Shiryű. After watching them risk it all and nearly die in the process, Hy˘ga begins to realize that maybe these Knights are fighting for something more than just personal gain!